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Grok 4.6 vs DeepSeek V4 Flash 0731: side-by-side summary

Grok 4.6 and DeepSeek V4 Flash 0731 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.

DeepSeek V4 Flash 0731, from DeepSeek, has a 1,048,576-token context window and is priced at $0.08/M tokens input, $0.252/M tokens output on OpenRouter.

Context window
  • Grok 4.6: 500,000 tokens
  • DeepSeek V4 Flash 0731: 1,048,576 tokens
Price
  • Grok 4.6: $2/M tokens input, $6/M tokens output
  • DeepSeek V4 Flash 0731: $0.08/M tokens input, $0.252/M tokens output
Provided by
  • Grok 4.6: SpaceXAI
  • DeepSeek V4 Flash 0731: DeepSeek
  • Grok 4.6 model details, providers and pricing
  • DeepSeek V4 Flash 0731 model details, providers and pricing